Finding the Fourth Proportional to 3,686,130.09, 5,525,201.10 and 1,886,546.19
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Solution
The fourth proportional to 3,686,130.09, 5,525,201.10 and 1,886,546.19 is: 2,827,775.15
Step by Step Solution
- Step 1: Write the proportion equation
3,686,130.09 : 5,525,201.10 = 1,886,546.19 : x - Step 2: Convert to fraction form
3,686,130.09/5,525,201.10 = 1,886,546.19/x - Step 3: Cross multiply
3,686,130.09x = 5,525,201.10 × 1,886,546.19 - Step 4: Simplify right side
3,686,130.09x = 10,423,547,084,188.81 - Step 5: Solve for x
x = 10,423,547,084,188.81/3,686,130.09 - Step 6: Final answer
x = 2,827,775.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.